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CVE-2021-39921

HIGH CVSS: 7.5 Published: 2021-11-19 Modified: 2026-06-17

Description

NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Affected Platforms

Debian Debian LinuxWireshark WiresharkFedoraproject Fedora

Weakness Type

CWE-476

References